/*******************************************************************************
**
** Function btif_dm_start_discovery
**
** Description Start device discovery/inquiry
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_start_discovery(void)
{
btbm_discovery_type type;
unsigned int ret = 0;
BT_CUST_ID id = 0;
unsigned int value = 0;
/*
#ifdef __BT_4_0_BLE__
type = BTBM_DISCOVERY_DUAL;
#else
type = BTBM_DISCOVERY_BR_EDR_ONLY;
#endif
*/
id = getCustID("LESupport");
ret = getCustValue(id, &value);
type = value ? BTBM_DISCOVERY_DUAL : BTBM_DISCOVERY_BR_EDR_ONLY;
ALOGI("+++[btif_dm_start_discovery] type:[%d]+++!\n", type);
if (!btif_is_enabled())
return BT_STATUS_NOT_READY;
if(!btmtk_gap_start_discovery(type))
{
ALOGE("[btmtk_gap_start_discovery] failed!\n");
return BT_STATUS_FAIL;
}
ALOGI("---[btif_dm_start_discovery]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_shutdown_bluetooth
**
** Description destroy BTIF task and prepares BT scheduler for startup
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_shutdown_bluetooth(void)
{
ALOGI("+++[btif_shutdown_bluetooth]+++!\n");
if (btif_is_enabled())
{
ALOGI("[btif_shutdown_bluetooth]:disable bt before shutdown!\n");
/* shutdown called prior to disabling, initiate disable */
btif_disable_bluetooth();
//bt_hal_cbacks = NULL;
btif_shutdown_pending = 1;
btmtk_gap_cleanup(0);
goto exit;
}
ALOGI("[btif_shutdown_bluetooth]:btmtk_gap_cleanup entry!\n");
if(btif_shutdown_pending == 0)
{
btmtk_gap_cleanup(1);
}
else
{
btif_shutdown_pending = 0;
btmtk_gap_exit();
}
exit:
btif_dut_mode = 0;
ALOGI("---[GAP] btif_shutdown_bluetooth---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_disable_bluetooth
**
** Description Inititates shutdown of Bluetooth system.
** Any active links will be dropped and device entering
** non connectable/discoverable mode
**
** Returns void
**
*******************************************************************************/
bt_status_t btif_disable_bluetooth(void)
{
tBTA_STATUS status;
if (!btif_is_enabled())
{
BTIF_TRACE_ERROR0("btif_disable_bluetooth : not yet enabled");
return BT_STATUS_NOT_READY;
}
bte_main_disable();
GKI_destroy_task(BTIF_TASK);
bte_main_shutdown();
BTIF_TRACE_DEBUG0("BTIF DISABLE BLUETOOTH");
btif_core_state = BTIF_CORE_STATE_DISABLED;
HAL_CBACK(bt_hal_cbacks, adapter_state_changed_cb, BT_STATE_OFF);
return BT_STATUS_SUCCESS;
}
bt_status_t btif_shutdown_bluetooth(void)
{
BTIF_TRACE_DEBUG1("%s", __FUNCTION__);
if (btif_is_enabled())
{
BTIF_TRACE_WARNING0("shutdown while still enabled, initiate disable");
/* shutdown called prior to disabling, initiate disable */
btif_disable_bluetooth();
btif_shutdown_pending = 1;
return BT_STATUS_NOT_READY;
}
btif_shutdown_pending = 0;
GKI_destroy_task(BTIF_TASK);
bte_main_shutdown();
btif_dut_mode = 0;
BTIF_TRACE_DEBUG1("%s done", __FUNCTION__);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_get_remote_service_record
**
** Description Looks up the service matching uuid on the remote device
** and fetches the SCN and service_name if the UUID is found
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_get_remote_service_record(bt_bdaddr_t *remote_addr,
bt_uuid_t *uuid)
{
char *addr = (char *)remote_addr->address;
bt_addr_struct bdaddr;
ALOGI("+++[btif_get_remote_service_record] addr:[%02x:%02x:%02x:%02x:%02x:%02x], UUID:[%p]+++!\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], uuid->uu);
if (!btif_is_enabled())
return BT_STATUS_NOT_READY;
ALOGI("---[btif_get_remote_service_record]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_get_adapter_properties
**
** Description Fetch all available properties (local & remote)
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_get_adapter_properties(void)
{
ALOGI("+++[btif_get_adapter_properties]+++!\n");
if (!btif_is_enabled())
return BT_STATUS_NOT_READY;
if (!btmtk_gap_get_adapter_properties())
{
ALOGE("[btmtk_gap_get_adapter_properties] failed!\n");
return BT_STATUS_FAIL;
}
ALOGI("---[btif_get_adapter_properties]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_disable_service
**
** Description Disables the service 'service_ID' to the service_mask.
** Upon BT disable, BTIF core shall invoke the BTA APIs to
** disable the profiles
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_disable_service(uint8_t service_id)
{
ALOGI("+++[btif_disable_service]+++!\n");
/* If BT is enabled, we need to switch to BTIF context and trigger the
* disable for that profile so that the appropriate uuid_property_changed will
* be triggerred. Otherwise, we just need to clear the service_id in the mask
*/
btif_enabled_services &= (uint32_t)(~(1<<service_id));
if (btif_is_enabled())
{
btmtk_disable_service(service_id);
}
ALOGI("---[btif_disable_service]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_set_adapter_property
**
** Description Updates core stack with property value and stores it in
** local cache
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_set_adapter_property(const bt_property_t *property)
{
ALOGI("+++[btif_set_adapter_property] type:[%d], len:[%d], val:[%p]+++!\n",
property->type, property->len, property->val);
if (!btif_is_enabled())
return BT_STATUS_NOT_READY;
if(!btmtk_gap_set_adapter_property(property))
{
ALOGE("[btmtk_gap_set_adapter_property] failed!\n");
return BT_STATUS_FAIL;
}
ALOGI("---[btif_set_adapter_property]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_cancel_discovery
**
** Description Cancels search
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_cancel_discovery(void)
{
btbm_discovery_type type;
ALOGI("+++[btif_dm_cancel_discovery]+++!\n");
if (!btif_is_enabled())
return BT_STATUS_NOT_READY;
if(!btmtk_gap_cancel_discovery())
{
ALOGE("[btmtk_gap_cancel_discovery] failed!\n");
return BT_STATUS_FAIL;
}
ALOGI("---[btif_dm_cancel_discovery]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_get_adapter_property
**
** Description Fetches property value from local cache
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_get_adapter_property(bt_property_type_t type)
{
ALOGI("+++[btif_get_adapter_property] type:[%d]+++!\n", type);
/* Allow get_adapter_property only for BDADDR and BDNAME if BT is disabled */
if (!btif_is_enabled() && (type != BT_PROPERTY_BDADDR) && (type != BT_PROPERTY_BDNAME))
return BT_STATUS_NOT_READY;
if (!btmtk_gap_get_adapter_property(type))
{
ALOGE("[btmtk_gap_get_adapter_property] failed!\n");
return BT_STATUS_FAIL;
}
ALOGI("---[btif_get_adapter_property]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_enable_service
**
** Description Enables the service 'service_ID' to the service_mask.
** Upon BT enable, BTIF core shall invoke the BTA APIs to
** enable the profiles
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_enable_service(uint8_t service_id)
{
ALOGI("+++[btif_enable_service]+++!\n");
/* If BT is enabled, we need to switch to BTIF context and trigger the
* enable for that profile
*
* Otherwise, we just set the flag. On BT_Enable, the DM will trigger
* enable for the profiles that have been enabled */
btif_enabled_services |= (1 << service_id);
if (btif_is_enabled())
{
btmtk_enable_service(service_id);
}
ALOGI("---[btif_enable_service]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_remove_bond
**
** Description Removes bonding with the specified device
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_remove_bond(const bt_bdaddr_t *remote_addr)
{
char *addr = (char *)remote_addr->address;
bt_addr_struct bdaddr;
ALOGI("+++[btif_dm_remove_bond] addr:[%02x:%02x:%02x:%02x:%02x:%02x]+++!\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
if (!btif_is_enabled())
return BT_STATUS_NOT_READY;
btmtk_util_convert_array2bdaddr(&bdaddr, (bt_bdaddr_t *)remote_addr);
if(!btmtk_gap_remove_bond(&bdaddr))
{
ALOGE("[btmtk_gap_cancel_bond] failed!\n");
return BT_STATUS_FAIL;
}
ALOGI("---[btif_dm_remove_bond]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_get_remote_device_property
**
** Description Fetches the remote device property from the NVRAM
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_get_remote_device_property(bt_bdaddr_t *remote_addr,
bt_property_type_t type)
{
char *addr = (char *)remote_addr->address;
bt_addr_struct bdaddr;
ALOGI("+++[btif_get_remote_device_property] addr:[%02x:%02x:%02x:%02x:%02x:%02x]+++!\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
if (!btif_is_enabled())
return BT_STATUS_NOT_READY;
btmtk_util_convert_array2bdaddr(&bdaddr, remote_addr);
if(!btmtk_gap_get_remote_device_property(&bdaddr, type))
{
ALOGE("[btmtk_gap_get_remote_device_property] failed!\n");
return BT_STATUS_FAIL;
}
ALOGI("---[btif_get_remote_device_property]---!\n");
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_dm_pin_reply
**
** Description BT legacy pairing - PIN code reply
**
** Returns bt_status_t
**
*******************************************************************************/
bt_status_t btif_dm_pin_reply( const bt_bdaddr_t *remote_addr, uint8_t accept,
uint8_t pin_len, bt_pin_code_t *pin_code)
{
char *addr = (char *)remote_addr->address;
bt_addr_struct bdaddr;
ALOGI("+++[btif_dm_pin_reply] addr:[%02x:%02x:%02x:%02x:%02x:%02x]+++!\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
if (!btif_is_enabled())
return BT_STATUS_NOT_READY;
btmtk_util_convert_array2bdaddr(&bdaddr, (bt_bdaddr_t *)remote_addr);
if(!btmtk_gap_pin_reply(&bdaddr, accept, pin_len, pin_code->pin))
{
ALOGE("[btmtk_gap_pin_reply] failed!\n");
return BT_STATUS_FAIL;
}
ALOGI("---[btif_dm_pin_reply]---!\n");
return BT_STATUS_SUCCESS;
}
BOOLEAN btif_av_stream_ready(void)
{
btif_sm_state_t state = btif_sm_get_state(btif_av_cb.sm_handle);
BTIF_TRACE_DEBUG3("btif_av_stream_ready : sm hdl %d, state %d, flags %x",
btif_av_cb.sm_handle, state, btif_av_cb.flags);
/* also make sure main adapter is enabled */
if (btif_is_enabled() == 0)
{
BTIF_TRACE_EVENT0("main adapter not enabled");
return FALSE;
}
/* check if we are remotely suspended */
if (btif_av_cb.flags & BTIF_AV_FLAG_REMOTE_SUSPEND)
return FALSE;
return (state == BTIF_AV_STATE_OPENED);
}
/*******************************************************************************
**
** Function btif_disable_bluetooth
**
** Description Inititates shutdown of Bluetooth system.
** Any active links will be dropped and device entering
** non connectable/discoverable mode
**
** Returns void
**
*******************************************************************************/
bt_status_t btif_disable_bluetooth(void)
{
ALOGI("+++[btif_disable_bluetooth]+++!\n");
if (!btif_is_enabled())
{
ALOGE("btif_disable_bluetooth : not yet enabled");
return BT_STATUS_NOT_READY;
}
btif_core_state = BTIF_CORE_STATE_DISABLING;
/* cleanup rfcomm & l2cap api */
btif_sock_cleanup();
if (!btmtk_gap_disable())
{
ALOGE("[btmtk_gap_power_off] failed!\n");
btif_core_state = BTIF_CORE_STATE_ENABLED;
return BT_STATUS_FAIL;
}
ALOGI("---[btif_disable_bluetooth]---!\n");
return BT_STATUS_SUCCESS;
}
static void btu_exec_tap_fd_read(void *p_param) {
struct pollfd ufd;
int fd = (int)p_param;
if (fd == -1 || fd != btpan_cb.tap_fd)
return;
// Don't occupy BTU context too long, avoid GKI buffer overruns and
// give other profiles a chance to run by limiting the amount of memory
// PAN can use from the shared pool buffer.
for(int i = 0; i < PAN_POOL_MAX && btif_is_enabled() && btpan_cb.flow; i++) {
BT_HDR *buffer = (BT_HDR *)GKI_getpoolbuf(PAN_POOL_ID);
if (!buffer) {
BTIF_TRACE_WARNING("%s unable to allocate buffer for packet.", __func__);
break;
}
buffer->offset = PAN_MINIMUM_OFFSET;
buffer->len = GKI_get_buf_size(buffer) - sizeof(BT_HDR) - buffer->offset;
UINT8 *packet = (UINT8 *)buffer + sizeof(BT_HDR) + buffer->offset;
// If we don't have an undelivered packet left over, pull one from the TAP driver.
// We save it in the congest_packet right away in case we can't deliver it in this
// attempt.
if (!btpan_cb.congest_packet_size) {
ssize_t ret = read(fd, btpan_cb.congest_packet, sizeof(btpan_cb.congest_packet));
switch (ret) {
case -1:
BTIF_TRACE_ERROR("%s unable to read from driver: %s", __func__, strerror(errno));
GKI_freebuf(buffer);
return;
case 0:
BTIF_TRACE_WARNING("%s end of file reached.", __func__);
GKI_freebuf(buffer);
return;
default:
btpan_cb.congest_packet_size = ret;
break;
}
}
memcpy(packet, btpan_cb.congest_packet, MIN(btpan_cb.congest_packet_size, buffer->len));
buffer->len = MIN(btpan_cb.congest_packet_size, buffer->len);
if (buffer->len > sizeof(tETH_HDR) && should_forward((tETH_HDR *)packet)) {
// Extract the ethernet header from the buffer since the PAN_WriteBuf inside
// forward_bnep can't handle two pointers that point inside the same GKI buffer.
tETH_HDR hdr;
memcpy(&hdr, packet, sizeof(tETH_HDR));
// Skip the ethernet header.
buffer->len -= sizeof(tETH_HDR);
buffer->offset += sizeof(tETH_HDR);
if (forward_bnep(&hdr, buffer) != FORWARD_CONGEST)
btpan_cb.congest_packet_size = 0;
} else {
BTIF_TRACE_WARNING("%s dropping packet of length %d", __func__, buffer->len);
btpan_cb.congest_packet_size = 0;
GKI_freebuf(buffer);
}
// Bail out of the loop if reading from the TAP fd would block.
ufd.fd = fd;
ufd.events = POLLIN;
ufd.revents = 0;
if(poll(&ufd, 1, 0) <= 0 || IS_EXCEPTION(ufd.revents)) {
btsock_thread_add_fd(pan_pth, fd, 0, SOCK_THREAD_FD_RD, 0);
return;
}
}
}
